<!DOCTYPE html>
<html class="reftest-wait">
  <head>
    <title>displaystyle</title>
    <meta charset="utf-8">
    <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#the-displaystyle-and-scriptlevel-attributes">
    <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#style-change-mstyle">
    <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#underscripts-and-overscripts-munder-mover-munderover">
    <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#operator-fence-separator-or-accent-mo">
    <link rel="help" href="https://mathml-refresh.github.io/mathml-core/#table-or-matrix-mtable">
    <link rel="match" href="displaystyle-013-ref.html"/>
    <meta name="assert" content="Test dynamic change of displaystyle">
    <script type="text/javascript">
      function doTest() {
        document.body.offsetTop; // Update layout
        document.getElementById("m1").setAttribute("displaystyle", "true");
        document.getElementById("m2").setAttribute("displaystyle", "true");
        document.getElementById("m3").setAttribute("displaystyle", "true");
        document.getElementById("m4").removeAttribute("displaystyle");
        document.getElementById("m5").removeAttribute("displaystyle");
        document.getElementById("m6").removeAttribute("displaystyle");
        document.documentElement.removeAttribute("class");
      }
      window.addEventListener("load", () => { document.fonts.ready.then(doTest); });
    </script>
    <link rel="stylesheet" href="/fonts/ahem.css">
    <style>
      math {
          font: 25px Ahem;
      }
    </style>
  </head>
  <body>

    <math id="m1">
      <munder><mo movablelimits="true">O</mo><mo>O</mo></munder>
      <mfrac><mn>1</mn><mn>2</mn></mfrac>
    </math>
    <math>
      <mstyle id="m2">
        <munder><mo movablelimits="true">O</mo><mo>O</mo></munder>
        <mfrac><mn>1</mn><mn>2</mn></mfrac>
      </mstyle>
    </math>
    <math>
      <mtable id="m3">
        <mtr>
          <mtd>
            <munder><mo movablelimits="true">O</mo><mo>O</mo></munder>
            <mfrac><mn>1</mn><mn>2</mn></mfrac>
          </mtd>
        </mtr>
      </mtable>
    </math>
    <math id="m4" displaystyle="true">
      <munder><mo movablelimits="true">O</mo><mo>O</mo></munder>
      <mfrac><mn>1</mn><mn>2</mn></mfrac>
    </math>
    <math>
      <mstyle id="m5" displaystyle="true">
        <munder><mo movablelimits="true">O</mo><mo>O</mo></munder>
        <mfrac><mn>1</mn><mn>2</mn></mfrac>
      </mstyle>
    </math>
    <math>
      <mtable id="m6" displaystyle="true">
        <mtr>
          <mtd>
            <munder><mo movablelimits="true">O</mo><mo>O</mo></munder>
            <mfrac><mn>1</mn><mn>2</mn></mfrac>
          </mtd>
        </mtr>
      </mtable>
    </math>

    <script src="/mathml/support/feature-detection.js"></script>
    <script>MathMLFeatureDetection.ensure_for_match_reftest("has_movablelimits");</script>
  </body>
</html>
